1. "I have finished my report."
  2. "She has made a delicious cake."
  3. "They have arrived at the airport."
  4. "He has passed his driving test."
  5. "We have seen that movie twice."
  6. "It has rained all morning."
  7. "You have learned a lot this year."
  8. "She has decided to study abroad."
  9. "They have completed the marathon."
  10. "He has agreed to help us with the project."
  11. "I haven't received the package yet."
  12. "She hasn't called me back."
  13. "They haven't cleaned their room."
  14. "He hasn't apologized for his mistake."
  15. "We haven't booked our flights."
  16. "It hasn't stopped snowing since yesterday."
  17. "You haven't tried the new coffee shop."
  18. "She hasn't visited the museum."
  19. "They haven't met our new neighbor."
  20. "He hasn't fixed the leaky faucet."